Dockerfile.fast

# file: Dockerfile.fast
# Ultra-fast Dockerfile using pre-built assets from GitHub Packages
# Build time: ~2-3 minutes instead of 20 minutes

# Use pre-built assets from GitHub Packages
FROM ghcr.io/jdfalk/subtitle-manager/assets:latest AS assets

# Go build stage with minimal dependencies
FROM golang:1.26.0-bookworm AS builder
WORKDIR /src

# Install only essential build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    gcc \
    sqlite3 libsqlite3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy go dependencies first for better caching
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Copy pre-built assets
COPY --from=assets /assets ./webui/dist

# Note: No need to run 'go generate ./webui' since we already have the dist directory
# The embed.go file will automatically embed the dist directory during go build

# Build with optimizations
ARG TARGETOS=linux
ARG TARGETARCH=amd64
RUN CGO_ENABLED=1 \
    GOOS=${TARGETOS} \
    GOARCH=${TARGETARCH} \
    go build \
    -ldflags="-s -w -X main.version=$(git describe --tags --always)" \
    -o subtitle-manager ./

# Final runtime image
FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    ca-certificates \
    tzdata \
    && rm -rf /var/lib/apt/lists/*

# Explicitly set ffmpeg path so the application can locate it
ENV SM_FFMPEG_PATH=/usr/bin/ffmpeg

# Create non-root user for security
RUN addgroup --system subtitle && adduser --system --ingroup subtitle subtitle

# Create directories with proper ownership
RUN mkdir -p /config /media && \
    chown -R subtitle:subtitle /config /media

# Copy binary
COPY --from=builder /src/subtitle-manager /usr/local/bin/subtitle-manager
RUN chmod +x /usr/local/bin/subtitle-manager
COPY docker-init.sh /usr/local/bin/docker-init.sh
RUN chmod +x /usr/local/bin/docker-init.sh

USER subtitle

# Environment variables
ENV SM_CONFIG_FILE=/config/subtitle-manager.yaml \
    SM_DB_PATH=/config/db \
    SM_DB_BACKEND=pebble \
    SM_SQLITE3_FILENAME=subtitle-manager.db \
    SM_LOG_LEVEL=info

EXPOSE 8080

ENTRYPOINT ["/usr/local/bin/docker-init.sh"]
CMD ["web"]